package ah.calendar;


import java.io.*;
import java.util.*;
public class NongLi
{
final static long[] lunarInfo=new long[]
{0x04bd8,0x04ae0,0x0a570,0x054d5,0x0d260,0x0d950,0x16554,0x056a0,0x09ad0,0x055d2,
0x04ae0,0x0a5b6,0x0a4d0,0x0d250,0x1d255,0x0b540,0x0d6a0,0x0ada2,0x095b0,0x14977,
0x04970,0x0a4b0,0x0b4b5,0x06a50,0x06d40,0x1ab54,0x02b60,0x09570,0x052f2,0x04970,
0x06566,0x0d4a0,0x0ea50,0x06e95,0x05ad0,0x02b60,0x186e3,0x092e0,0x1c8d7,0x0c950,
0x0d4a0,0x1d8a6,0x0b550,0x056a0,0x1a5b4,0x025d0,0x092d0,0x0d2b2,0x0a950,0x0b557,
0x06ca0,0x0b550,0x15355,0x04da0,0x0a5d0,0x14573,0x052d0,0x0a9a8,0x0e950,0x06aa0,
0x0aea6,0x0ab50,0x04b60,0x0aae4,0x0a570,0x05260,0x0f263,0x0d950,0x05b57,0x056a0,
0x096d0,0x04dd5,0x04ad0,0x0a4d0,0x0d4d4,0x0d250,0x0d558,0x0b540,0x0b5a0,0x195a6,
0x095b0,0x049b0,0x0a974,0x0a4b0,0x0b27a,0x06a50,0x06d40,0x0af46,0x0ab60,0x09570,
0x04af5,0x04970,0x064b0,0x074a3,0x0ea50,0x06b58,0x055c0,0x0ab60,0x096d5,0x092e0,
0x0c960,0x0d954,0x0d4a0,0x0da50,0x07552,0x056a0,0x0abb7,0x025d0,0x092d0,0x0cab5,
0x0a950,0x0b4a0,0x0baa4,0x0ad50,0x055d9,0x04ba0,0x0a5b0,0x15176,0x052b0,0x0a930,
0x07954,0x06aa0,0x0ad50,0x05b52,0x04b60,0x0a6e6,0x0a4e0,0x0d260,0x0ea65,0x0d530,
0x05aa0,0x076a3,0x096d0,0x04bd7,0x04ad0,0x0a4d0,0x1d0b6,0x0d250,0x0d520,0x0dd45,
0x0b5a0,0x056d0,0x055b2,0x049b0,0x0a577,0x0a4b0,0x0aa50,0x1b255,0x06d20,0x0ada0};

final public static int lYearDays(int y)//====== 传回农历 y年的总天数
{
        int i,sum = 348;
        for(i=0x8000; i>0x8; i>>=1)
        {
                if ((lunarInfo[y-1900] & i)!=0)	sum+=1;
        }
        return(sum+leapDays(y));
}

final public static int leapDays(int y)//====== 传回农历 y年闰月的天数
{
        if(leapMonth(y)!=0)
        {
                if ((lunarInfo[y-1900] & 0x10000)!=0) return 30;
                else return 29;
        }
        else 	return 0;
}

final public static int leapMonth(int y)//====== 传回农历 y年闰哪个月 1-12 , 没闰传回 0
{
        return (int)(lunarInfo[y-1900] & 0xf);
}

final public static int monthDays(int y,int m)//====== 传回农历 y年m月的总天数
{
        if ((lunarInfo[y-1900] & (0x10000>>m))==0) return 29;
        else return 30;
}

final public static String AnimalsYear(int y)//====== 传回农历 y年的生肖
{
        final String[] Animals=new String[] {"鼠","牛","虎","兔","龙","蛇","马","羊","猴","鸡","狗","猪"};
        return Animals[(y-4)%12];
}

final public static String cyclicalm(int num)//====== 传入 月日的offset 传回干支, 0=甲子
{
        final String[] Gan=new String[] {"甲","乙","丙","丁","戊","己","庚","辛","壬","癸"};
        final String[] Zhi=new String[] {"子","丑","寅","卯","辰","巳","午","未","申","酉","戌","亥"};
        return (Gan[num%10]+Zhi[num%12]);
}

final public static String cyclical(int y)//====== 传入 offset 传回干支, 0=甲子
{
        int num=y-1900+36;
        return (cyclicalm(num));
}

final public long[] Lunar(int y,int m)//传出农历.year0 .month1 .day2 .yearCyl3 .monCyl4
                                        //       .dayCyl5 .isLeap6
{
        final int[] year20=new int[]{1,4,1,2,1,2,1,1,2,1,2,1};
        final int[] year19=new int[]{0,3,0,1,0,1,0,0,1,0,1,0};
        final int[] year2000=new int[]{0,3,1,2,1,2,1,1,2,1,2,1};
        long[] nongDate = new long[7];
        int i=0,temp=0,leap=0;
        Calendar calendar_baseDate = Calendar.getInstance();
        calendar_baseDate.set(Calendar.YEAR,1900);
        calendar_baseDate.set(Calendar.MONTH, 0);
        calendar_baseDate.set(Calendar.DAY_OF_MONTH, 31);
        Date baseDate =calendar_baseDate.getTime();

        Calendar calendar_objDate = Calendar.getInstance();
        calendar_objDate.set(Calendar.YEAR,1900);
        calendar_objDate.set(Calendar.MONTH, 0);
        calendar_objDate.set(Calendar.DAY_OF_MONTH, 31);
        Date objDate  =calendar_objDate.getTime();
        long offset = (objDate.getTime()-baseDate.getTime())/86400000L;
        if (y<2000) offset+=year19[m-1];
        if (y>2000) offset+=year20[m-1];
        if (y==2000) offset+=year2000[m-1];
        nongDate[5] = offset + 40;
        nongDate[4] = 14;

        for(i=1900; i<2050 && offset>0; i++) {
                temp = lYearDays(i);
                offset -= temp;
                nongDate[4] += 12;
        }
        if(offset<0) {
                offset += temp;
                i--;
                nongDate[4] -= 12;
        }
        nongDate[0] = i;
        nongDate[3] = i-1864;
        leap = leapMonth(i); //闰哪个月
        nongDate[6] = 0;

        for(i=1; i<13 && offset>0; i++) {
                //闰月
                if(leap>0 && i==(leap+1) && nongDate[6]==0)
                { --i; nongDate[6] = 1; temp = leapDays((int) nongDate[0]); }
                else
                { temp = monthDays((int) nongDate[0],i); }

                //解除闰月
                if(nongDate[6]==1 && i==(leap+1)) nongDate[6] = 0;
                offset -= temp;
                if(nongDate[6] == 0) nongDate[4] ++;
        }

        if(offset==0 && leap>0 && i==leap+1){
                if(nongDate[6]==1)
                { nongDate[6] = 0; }
                else
                { nongDate[6] = 1; --i; --nongDate[4];}
        }
        if(offset<0){ offset += temp; --i; --nongDate[4]; }
        nongDate[1] = i;
        nongDate[2] = offset + 1;
        return nongDate;
}


final public static long[] calElement(int y,int m,int d)
//传出y年m月d日对应的农历.year0 .month1 .day2 .yearCyl3 .monCyl4 .dayCyl5 .isLeap6
{
        long[] nongDate = new long[7];
        int i=0,temp=0,leap=0;
        Calendar baseCalendar = Calendar.getInstance();
        baseCalendar.set(Calendar.YEAR, 0);
        baseCalendar.set(Calendar.MONTH, 0);
        baseCalendar.set(Calendar.DAY_OF_MONTH, 31);
        Date baseDate = baseCalendar.getTime();
        baseCalendar.set(Calendar.YEAR, y-1900);
        baseCalendar.set(Calendar.MONTH, m-1);
        baseCalendar.set(Calendar.DAY_OF_MONTH, d);
        Date objDate  = baseCalendar.getTime();
        long offset = (objDate.getTime()-baseDate.getTime())/86400000L;
        nongDate[5] = offset + 40;
        nongDate[4] = 14;

        for(i=1900; i<2050 && offset>0; i++) {
                temp = lYearDays(i);
                offset -= temp;
                nongDate[4] += 12;
        }
        if(offset<0) {
                offset += temp;
                i--;
                nongDate[4] -= 12;
        }
        nongDate[0] = i;
        nongDate[3] = i-1864;
        leap = leapMonth(i+1); //闰哪个月
        nongDate[6] = 0;

        for(i=1; i<13 && offset>0; i++) {
                //闰月
                if(leap>0 && i==(leap+1) && nongDate[6]==0)
                { --i; nongDate[6] = 1; temp = leapDays((int)nongDate[0]); }
                else
                { temp = monthDays((int)nongDate[0],i); }

                //解除闰月
                if(nongDate[6]==1 && i==(leap+1)) nongDate[6] = 0;
                offset -= temp;
                if(nongDate[6] == 0) nongDate[4] ++;
        }

        if(offset==0 && leap>0 && i==leap+1){
                if(nongDate[6]==1)
                { nongDate[6] = 0; }
                else
                { nongDate[6] = 1; --i; --nongDate[4];}
        }
        if(offset<0){ offset += temp; --i; --nongDate[4]; }
        nongDate[1] = i;
        nongDate[2] = offset + 1;
        return nongDate;
}

  public static String getchina(int day){
    String a = "";
    if(day==10)
      return "初十";
    int two = (int)((day)/10);
    if(two==0)
      a = "初";
    if(two==1)
      a = "十";
    if(two==2)
      a = "廿";
    if(two==2)
      a = "卅";
    int one = (int)(day%10);
    switch(one){
      case 1:a += "一";break;
      case 2:a += "二";break;
      case 3:a += "三";break;
      case 4:a += "四";break;
      case 5:a += "五";break;
      case 6:a += "六";break;
      case 7:a += "七";break;
      case 8:a += "八";break;
      case 9:a += "九";break;
    }
    return a;
  }

//传出y年m月d日对应的农历.year0 .month1 .day2 .yearCyl3 .monCyl4 .dayCyl5 .isLeap6
  public static void main(String[] args)
  {
    Calendar cld = Calendar.getInstance();
    int year = cld.get(Calendar.YEAR);
    int month = cld.get(Calendar.MONTH)+1;
    int day = cld.get(Calendar.DAY_OF_MONTH);
    String week = "";
    long[] l = calElement(year,month,day);

    switch(cld.get(Calendar.DAY_OF_WEEK)){
      case 1:week = "日";break;
      case 2:week = "一";break;
      case 3:week = "二";break;
      case 4:week = "三";break;
      case 5:week = "四";break;
      case 6:week = "五";break;
      case 7:week = "六";break;
    }

    String n = "";
    switch((int)(l[1])){
      case 1:n="一";break;
      case 2:n="二";break;
      case 3:n="三";break;
      case 4:n="四";break;
      case 5:n="五";break;
      case 6:n="六";break;
      case 7:n="七";break;
      case 8:n="八";break;
      case 9:n="九";break;
      case 10:n="十";break;
      case 11:n="十一";break;
      case 12:n="十二";break;
    }
    try {
      String a = "北京时间： "+year+"年"+month+"月"+day+"日<br/>星期"+week+"　农历"+n+"月"+getchina((int)(l[2]));
      String b = "北京时间： "+year+"年"+month+"月"+day+"日　星期"+week+"　农历"+n+"月"+getchina((int)(l[2]));
      //BufferedWriter outout = new BufferedWriter(new FileWriter("rili.html",false));
      //outout.write(a);
      //outout.close();
      System.out.println(a+"\n"+b);
    } catch (Exception e)    {e.printStackTrace();}
  }
}


